Circular exit sign



FIG. 1 is a front side view of a circular exit sign;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a back side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines shown in the figures illustrate portions of the circular exit sign that form no part of the claimed design. 

CLAIM The ornamental design for a circular exit sign, as shown and described. 